core: remove some pointless conditionals before kfree_skb()

Remove some pointless conditionals before kfree_skb().

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index e1144cb..417b6d7 100644 (file)
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -871,8 +871,7 @@ static void neigh_timer_handler(unsigned long arg)
                write_unlock(&neigh->lock);
                neigh->ops->solicit(neigh, skb);
                atomic_inc(&neigh->probes);
-               if (skb)
-                       kfree_skb(skb);
+               kfree_skb(skb);
        } else {
 out:
                write_unlock(&neigh->lock);
@@ -908,8 +907,7 @@ int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb)
                        neigh->updated = jiffies;
                        write_unlock_bh(&neigh->lock);
 
-                       if (skb)
-                               kfree_skb(skb);
+                       kfree_skb(skb);
                        return 1;
                }
        } else if (neigh->nud_state & NUD_STALE) {

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 33640d9..e5e2111 100644 (file)
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1208,8 +1208,7 @@ unsigned char *__pskb_pull_tail(struct sk_buff *skb, int delta)
                                        insp = list;
                                }
                                if (!pskb_pull(list, eat)) {
-                                       if (clone)
-                                               kfree_skb(clone);
+                                       kfree_skb(clone);
                                        return NULL;
                                }
                                break;